On Mon, Jul 01, 2013 at 10:34:30PM +0200, Daniel Vetter wrote: > Every other place properly checks whether we've managed to set > up the stolen allocator at boot-up properly, with the exception > of the cleanup code. Which results in an ugly > > *ERROR* Memory manager not clean. Delaying takedown > > at module unload time since the drm_mm isn't initialized at all. > > v2: While at it check whether the stolen drm_mm is initialized instead > of the more obscure stolen_base == 0 check. > > v3: Fix up the logic. Also we need to keep the stolen_base check in > i915_gem_object_create_stolen_for_preallocated since that can be > called before stolen memory is fully set up. Spotted by Chris Wilson. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=65953 > Cc: Chris Wilson <chris at chris-wilson.co.uk> > Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> Tested-by: lu hua <huax.lu at intel.com> > --- > drivers/gpu/drm/i915/i915_gem_stolen.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c > index 8e02344..fbfc2c7 100644 > --- a/drivers/gpu/drm/i915/i915_gem_stolen.c > +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c > @@ -147,7 +147,7 @@ int i915_gem_stolen_setup_compression(struct drm_device *dev, int size) > { > struct drm_i915_private *dev_priv = dev->dev_private; > > - if (dev_priv->mm.stolen_base == 0) > + if (!drm_mm_initialized(&dev_priv->mm.stolen)) > return -ENODEV; > > if (size < dev_priv->fbc.size) > @@ -179,6 +179,9 @@ void i915_gem_cleanup_stolen(struct drm_device *dev) > { > struct drm_i915_private *dev_priv = dev->dev_private; > > + if (!drm_mm_initialized(&dev_priv->mm.stolen)) > + return; > + > i915_gem_stolen_cleanup_compression(dev); > drm_mm_takedown(&dev_priv->mm.stolen); > } > @@ -300,7 +303,7 @@ i915_gem_object_create_stolen(struct drm_device *dev, u32 size) > struct drm_i915_gem_object *obj; > struct drm_mm_node *stolen; > > - if (dev_priv->mm.stolen_base == 0) > + if (!drm_mm_initialized(&dev_priv->mm.stolen)) > return NULL; > > DRM_DEBUG_KMS("creating stolen object: size=%x\n", size); > -- > 1.8.3.1 > -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
